Given Information:
A portfolio manager
owns the stock of XYZ Inc. which is currently trading a $35 per share.
He plans to sell the
stock in 120 days but is concerned about a possible price decline.
He decides to take a
short position in a 120 day Forward Contract (FC) on the stock.
The stock will pay a
$0.50 per share div. in 35 days & $0.50 again in 125 days.
The risk free rate is
4%.
What is the value of
the trader's position in the FC in 45 days, assuming the stock price in 45 days
is $27.50?
In my blog, so far we have not covered valuation: But this
question may be used for understanding the concepts on valuation of forward
contracts. Because I have covered in my blog only pricing of forward contracts, but not valuation part.
Solution: The value of a forward contract is given
by:
(S0 ert
– K) ----Formula (1)
or there is one more
formula:
(S0 – K) x e-rt ------Formula (2)
You do not have to mug
up the formula, if you understand the logic:
In formula (1), we find
out the value of a forward contract on the end of the contract or after certain
number of days.
In formula (2), please
understand the forward contract value is calculated at time T0; or in today.
You may ask me a
question, how did you understand this point?
When we calculate
anything in today’s terms, we need to bring down its value from future value to
present value. This is done by e-rt
We find the value of
any agreement on the end of the agreement day or after certain days, we
calculate its future value by ert
So far, in my blog, I
have not discussed about valuation of contracts.
The value of a forward
contract is equal to: (price of the forward contract – Strike price)
We know after 45 days,
the strike price of the contract = $27.50
But we have to calculate
the price of the forward contract after 45 days;
Step-1: first calculate the price of the forward
contract after 45 days: $35 x e0.04 x (45/360)
That is equal to:
$35.17
Step-2: Now, you reduce the value of dividend
yield by 45th day: The first dividend is received in 35days. Its
value has to be calculated as on 45th day. So, even dividend value
needs to be shifted from 35th day to 45th day.
It’s value as on 45th
day: $0.50 x e0.04(10/360) = $0.50
Step 3: The price of the forward contract is:
(Price of the contract – dividend income or yield)
$35.17 - $0.50 = $34.67
Step 4:
The value of the
forward contract on 45th day is equal to:
(The price of forward contract on 45th day minus the
strike price on 45th day)
Therefore, the value of forward contract on 45th day:
$34.67-$27.50 = $7.17
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